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package io.github.moulberry.notenoughupdates.util;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;
public class JsonUtils {
public static Stream<JsonElement> getJsonArrayAsStream(JsonArray array) {
return StreamSupport.stream(array.spliterator(), false);
}
public static <T> List<T> transformJsonArrayToList(
JsonArray array,
Function<? super JsonElement, ? extends T> mapper
) {
return getJsonArrayAsStream(array).map(mapper).collect(Collectors.toList());
}
public static <T> List<T> getJsonArrayOrEmpty(
JsonObject rootObject,
String name,
Function<? super JsonElement, ? extends T> mapper
) {
if (!rootObject.has(name)) {
return Collections.emptyList();
}
JsonElement jsonElement = rootObject.get(name);
if (jsonElement.isJsonArray()) {
return transformJsonArrayToList(jsonElement.getAsJsonArray(), mapper);
}
return Collections.emptyList();
}
public static <T> JsonArray transformListToJsonArray(
List<T> things,
Function<? super T, ? extends JsonElement> mapper
) {
JsonArray array = new JsonArray();
for (T t : things) {
array.add(mapper.apply(t));
}
return array;
}
public static <T> Map<String, T> transformJsonObjectToMap(
JsonObject object,
Function<? super JsonElement, ? extends T> mapper
) {
Map<String, T> map = new HashMap<>();
for (Map.Entry<String, JsonElement> entry : object.entrySet()) {
map.put(entry.getKey(), mapper.apply(entry.getValue()));
}
return map;
}
}
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